Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift into May is characterized by a subtle rise in the average high-temperature, transitioning from April's warm 77.4°F (25.2°C) to a still moderately hot 83.8°F (28.8°C). Wilmer, during the nights of May, experiences an average temperature drop to an enjoyable 67.6°F (19.8°C).Heat index
The heat index for May is computed to be a tropical 91.4°F (33°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in May is 72%.Rainfall
In Wilmer, Alabama, during May, the rain falls for 13.1 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Wilmer, during the entire year, the rain falls for 168.3 days and collects up to 30.28" (769mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Wilmer, the average length of the day in May is 13h and 44min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:32 pm. On the last day of May, sunrise is at 5:50 am and sunset at 7:51 pm CDT.
Sunshine
In May, the average sunshine is 10.8h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 7 in May translates into these instructions:
Shun overexposure. Protection from sun ravages is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during May?
What is the average humidity in May in Wilmer?
How many days does it rain in May in Wilmer?
When it does not snow in Wilmer?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Wilmer have in May?
When is the highest UV index in Wilmer?
What is the UV index intensity in May?
Average temperature in May
Wilmer, AL
- Average high temperature in May: 83.8°F
The warmest months (with the highest average high temperature) are July and August (90.5°F).
The month with the lowest average high temperature is January (58.5°F).
- Average low temperature in May: 67.6°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (43.9°F).
Average pressure in May
Wilmer, AL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in May
Wilmer, AL
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January, February, March, April and December (7.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in May
Wilmer, AL
- Average humidity in May: 72%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Wilmer, AL
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in May
Wilmer, AL
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (24.6 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in May
Wilmer, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Wilmer, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Wilmer, AL
- Average daylight in May: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Wilmer, AL
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in May
Wilmer, AL
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Wilmer, AL
- Average cloud cover in May: 26
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in May
Wilmer, AL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Wilmer, Alabama, USA
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